
S.215 dummy valve, 1920-1929
1920-1929
1920-1929
1920-1922
1925-1930
1920-1927
1952-03-13
1950-1959
1816
1920-1929
before 1986
before 1986
before 1986
1920-1929
1913
before 1986
before 1986
before 1986
before 1986
before 1986
before 1986
before 1986
1930-1959
before 1986
before 1986
before 1986
before 1986
before 1986
before 1986
before 1986
before 1986
before 1986
before 1986
before 1986
before 1986
before 1986
before 1986
before 1986
before 1986
before 1986
before 1986
before 1986
before 1986
before 1986
before 1986
before 1986
before 1986
before 1986
circa 1962
1957
1950-1959
1950-1959